Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 8153002 | Device for treating water, particularly a filtration device, and cartridge A device for treating water, particularly a filtration device, including a cartridge, which has a receptacle for receiving treatment agents for water, particularly for receiving filtration agents, and a connecting head disposed on the receptacle, wherein the connect... | 04/10/2012 |
| 7767087 | Floating filter holder A system and method are disclosed for filtering liquid using a filter platform that is not rigidly affixed to a container containing the liquid to be filtered. The platform may be buoyant so that as liquid flows from one side of the platform, through a filter, and t... | 08/03/2010 |
| 7442301 | Filter housing apparatus with rotating filter replacement mechanism A filter assembly for fluid filtration having a push-activated lock and release mechanism. The filter housing has a sump for enclosing the filter media, a filter head, and at least one standoff protruding outwards for use in securing the filter head to a filter mani... | 10/28/2008 |
| 7438810 | Sieve device A sieve device for insertion in a shaft has a connection for wastewater arriving in a supply device, which supply device is connected to a sieve surface of the sieve device for separating material to be separated from the wastewater. A worm conveyor transports the m... | 10/21/2008 |
| 7338599 | Filtration systems and fitting arrangements for filtration systems A filtration system comprising a manifold and a filter having fittings, wherein a carriage supporting the filter is operatively associated with a mounting mechanism to move the fitter between a position in which the filter is spaced from the manifold and a position ... | 03/04/2008 |
| 7329337 | Universal filter base and engines using same Filters that remove particulate and other solids from fluids often come in various sizes and include various types of seals. However, filter bases to which the filters are attached are generally manufactured to accommodate only one specific size of filter including ... | 02/12/2008 |
| 7311828 | Wall mount for water treatment system A wall mount for attaching water treatment system to a wall plate consists of a platform and a vertical portion. The water treatment system rests on the platform. The water treatment systems extend through the back of the wall mount and extend through passages in th... | 12/25/2007 |
| 7303683 | Microorganism-removing filter medium having high isoelectric material and low melt index binder A filter medium capable of removing microorganisms from a fluid such as water. The filter medium includes particles of activated carbon, particles of a substantially insoluble inorganic material having an isoelectric point greater than the fluid being filtered. A lo... | 12/04/2007 |
| 7261815 | Water filter for refrigerator water dispenser A water dispenser in a refrigerator door can include a filter casing in the door opening into the bottom of the dispenser housing. The filter casing can include a top wall positioned in the bottom of the dispenser housing, a head assembly at the bottom of the filter... | 08/28/2007 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7244353 | Method of and system for fluid purification A method of and system for purifying fluid of an internal combustion engine or hydraulic system utilizes an evaporation chamber separate from a filtering chamber. A metering valve may be oriented between the filtering chamber and the evaporation chamber to control t... | 07/17/2007 |
| 7232517 | Passive freestanding portable liquid filtration device A freestanding portable liquid filtration device (18) having an upper housing (24), a lower housing (32) and a base (36) which are secured together with an interference fit, with an enclosed lower portion of the upper housing (24) ... | 06/19/2007 |
| 7186337 | Quick-change filter and bracket system A bracket system holds one or more filters in quick-attach and quick-release fashion. Bracket modules are combined in modular fashion, with tubing or other conduit between the modules, to create a “bank” of filters easily changed in number, arrangement, and flow... | 03/06/2007 |
| 7172693 | Quick change filter and bracket with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 02/06/2007 |
| 7172692 | Filtering device A multifunctional filtering device for an aquarium mainly includes a filter box for being suspended at an aquarium. The filter box includes a pump motor for producing mixture of water and air and a vortex flow generator disposed at the center of the inner side of th... | 02/06/2007 |
| 7166216 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit (10). The unit (10) includes a filter housing assembly (60) having a filter tank assembly (66) and a closure (64) which utilizes a handle (152) and ... | 01/23/2007 |
| 7160447 | Fluid filtration system including replaceable filter module A fluid filtration system includes a filter receiver located in a fluid reservoir housing and a replaceable filter module adapted to mount in the filter receiver. Fluid to be filtered is exposed to a filter media included in the filter module and mounted in a filter... | 01/09/2007 |
| 7159272 | Detachable accessory holder The present invention provides a holder for storing accessories on a wet/dry vacuum. The holder securely attaches to the vacuum and readily detaches therefrom. The detachable holder may be detached with the accessories. While an operator dumps debris out of the drum... | 01/09/2007 |
| 7147772 | Low spillage replaceable water filter assembly A filter assembly includes a water filter assembly having a filter element sealingly disposed in a cartridge, and having an inlet and an outlet, the water filter assembly being substantially dripless when charged with water and disposed substantially horizontally. A... | 12/12/2006 |
| 7147773 | Refrigerator with treated water A refrigerator with a water treatment system including a head connecting a water supply to a water-using accessory. An end piece is provided for connecting a treatment cartridge to the head. The end piece comprises an inlet fitting having a cam that contacts a follo... | 12/12/2006 |
| 7138052 | Quick change fitter and bracket system with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 11/21/2006 |
| 7056432 | Tank mounted oil filter assembly The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter assembly used with the transmissions of such vehicles. The filter assembly is housed within the transmission case to reduce mounting brackets outs... | 06/06/2006 |
| 7044343 | Gravity flow water filtration backpack A backpack containing a gravity flow water filtration system. The backpack incorporates a compartment at its top to hold a reservoir of untreated water, and a compartment at the bottom to hold a reservoir for filtered water. A tube and filter connect the two compart... | 05/16/2006 |
| 6998045 | Spin-on filter including improved sealing arrangement and filter head therefor A fluid filter assembly includes a housing having a closed end and an open end; a filter element operably oriented in the housing; a baffle plate mounted to operably cover the housing open end; the baffle plate including a first axial face and an outer circumferenti... | 02/14/2006 |
| 6991725 | Switchable diesel fuel filter assembly A switchable fuel filter assembly with alternate fuel paths which carry fuel, respectively, through alternate fuel filters depending on the position of a valve member. ... | 01/31/2006 |
| 6969462 | Pipe mounting apparatus for water filter A pipe mounting apparatus for a water filter includes a first half body with a top, a first pipe assembly, a second half body with a top, a second pipe assembly and a mounting bracket. The first pipe assembly is formed on the top of the first half body and has a pum... | 11/29/2005 |
| 6966986 | Under the counter filter installation An under the counter water filter assembly with long flexible connecting conduits has a valve head which releasably hooks on brackets on a cabinet wall under the counter. The valve assembly can be removed from the brackets and the filter cartridge changed while stan... | 11/22/2005 |
| 6949189 | Keyed filter assembly Disclosed is a unique filter assembly for ensuring replacement cartridge compatibility in filtration systems having replaceable filter cartridges with lugged mounting systems. One representative filter assembly includes a representative cartridge member having a bod... | 09/27/2005 |
| 6939464 | Fuel-water separator unit with parallel flow A filter assembly includes a housing and an inner post with a fluid inlet passage extending in the housing. An outer post surrounds the inner post to define a fluid outlet passage. A filter cartridge is received around the inner post and the outer post. The filter c... | 09/06/2005 |
| 6926826 | Quick change filter and bracket system with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 08/09/2005 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6911143 | Base receptacle for filter cartridge incorporating a peripheral compatibility matrix A filter assembly employs radially inwardly and outwardly displaced portions of a peripheral roll seam on the cartridge as components of a cartridge compatibility matrix. A substantially annular space, the radial configuration of which varies with the convoluted rol... | 06/28/2005 |
| 6902669 | Filter cartridge with floating seal A filter cartridge includes a filter element that is adapted to filter fluid. The filter element defines a center post cavity constructed and arranged to receive a center post. The filter element has a first end and a second end. A first end plate is attached to the... | 06/07/2005 |
| 6902702 | Devices and methods for producing microarrays of biological samples The present invention is directed to systems and methods for producing microarrays of biological samples using an improved slide platform, vacuum manifold, and variable pin contact velocity. Slides onto which spotting pins produce the microarray of biological sample... | 06/07/2005 |
| 6881334 | Eccentric interference retention system for a filter cartridge A filter assembly employs radial interference between the received portion of a filter cartridge housing and the receptacle of a base. Radial interference occurs between a tapered end cap of the filter cartridge and a substantially cylindrical inside surface of the ... | 04/19/2005 |
| 6869530 | Multifunctional internal marine aquarium filter An internal marine aquarium filter that provides within a single enclosure protein skimming, biological, mechanical and chemical filtration where the unit creates direct adjustable current for the aquarium independent of the activities of filtration and uses one int... | 03/22/2005 |
| 6852221 | Lint trap A lint trap, including a housing having a first side wall, a second side wall, a top wall, a bottom wall, a back wall and a front wall, and the bottom wall defining an aperture; at least one attachment mechanism joining the housing to a utility sink; a lint collecti... | 02/08/2005 |
| 6843911 | Base receptacle with fixed retainer for filter cartridge incorporating a peripheral compatibility matrix A filter assembly employs radially inwardly and outwardly displaced portions of a peripheral roll seam on the cartridge as components of a cartridge compatibility matrix. A base defines an axial entrance to a fixed retainer that is complementary to the compatibility... | 01/18/2005 |
| 6833066 | Liquid filter, especially oil filter The invention relates to a liquid filter, for example an oil filter for cleaning lubricating oil, especially for use in internal combustion engines of motor vehicles. A ring-shaped filter insert separates an unclean side from a clean side in the interior of the liqu... | 12/21/2004 |
| 6814860 | Oil strainer An oil strainer comprises upper and lower partial bodies, made of synthetic resin, joined together to form a roughly tube-shaped strainer main body, the interior of which is provided with a filter. The oil strainer has a flange section for attachment with bolts, and... | 11/09/2004 |
